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Finding the Fourth Proportional to 543,613.89, 750,562.46 and 339,756.44

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Solution

The fourth proportional to 543,613.89, 750,562.46 and 339,756.44 is: 469,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,613.89 : 750,562.46 = 339,756.44 : x
  2. Step 2: Convert to fraction form
    543,613.89/750,562.46 = 339,756.44/x
  3. Step 3: Cross multiply
    543,613.89x = 750,562.46 × 339,756.44
  4. Step 4: Simplify right side
    543,613.89x = 255,008,427,530.84
  5. Step 5: Solve for x
    x = 255,008,427,530.84/543,613.89
  6. Step 6: Final answer
    x = 469,098.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.